6781640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9973}}^1$

素因数の和:10001

約数の個数: 32

約数和(自身を含む): 16157880

約数和(自身を除く): 9376240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 9973, 19946, 39892, 49865, 79784, 99730, 169541, 199460, 339082, 398920, 678164, 847705, 1356328, 1695410, 3390820, 6781640]

約数ペア:

[(1, 6781640), (2, 3390820), (4, 1695410), (5, 1356328), (8, 847705), (10, 678164), (17, 398920), (20, 339082), (34, 199460), (40, 169541), (68, 99730), (85, 79784), (136, 49865), (170, 39892), (340, 19946), (680, 9973)]